﻿// Copyright (c) Microsoft Corp.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//     http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using Microsoft.Health.Mobile;

namespace TestRegular
{
    class WebRequestMock : WebRequest
    {
        public WebRequestMock(string responseXml)
        {
            ResponseXml = responseXml;
        }

        public string RequestXml { get; set; }

        public string ResponseXml { get; set; }

        private MemoryStream _stream;



            // empty method so we can get real async...
        private void DoNothing()
        {
        }

        delegate void GoodForNothing();

        public override IAsyncResult BeginGetRequestStream(AsyncCallback callback, object state)
        {
            GoodForNothing nothing = new GoodForNothing(DoNothing);

            return nothing.BeginInvoke(callback, state);
        }

        public override System.IO.Stream EndGetRequestStream(IAsyncResult asyncResult)
        {
            _stream = new MemoryStream();

            return _stream;
        }

        public override IAsyncResult BeginGetResponse(AsyncCallback callback, object state)
        {
            if (_stream != null)
            {
                byte[] bytes = _stream.ToArray();
                RequestXml = ASCIIEncoding.UTF8.GetString(bytes);
                _stream.Dispose();
            }

            GoodForNothing nothing = new GoodForNothing(DoNothing);

            return nothing.BeginInvoke(callback, state);
        }

        public override WebResponse EndGetResponse(IAsyncResult asyncResult)
        {
            return new WebResponseMock(ResponseXml);
        }
    }
}
